2.5MM CS X 65MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.5 x 65 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Unit of Measure
EA
SKU:
H2.5X65
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Product Specification

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H2.5X65 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 65 mm (2.559 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 70 mm (2.76 in). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) is specified here for low compression set under sustained load and economical choice for high-volume maintenance programs. This material stands up to propane and butane, many alcohols, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or ketones.

You will find this material specified across general industrial maintenance, automotive, and hydraulic and pneumatic systems.

Order part number H2.5X65, sold individually. Unit weight is approximately 1.2905 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H2.5X65
Description
2.5MM CS X 65MM ID BLACK BUNA 70D
Actual Outside Diameter
70 mm (2.76 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
65 mm (2.559 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity